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package main
import "os"
import "golang.org/x/net/html"
import "log"
import "fmt"
import "github.com/PuerkitoBio/goquery"
import "github.com/kennygrant/sanitize"
import "strings"
import "flag"
import "errors"
type index struct {
doc string;
title bool;
freq int;
}
type document struct {
title []string;
text []string;
}
func newDocument() *document {
return &document{nil, nil};
}
func RemoveNode(r, rn *html.Node) {
var found bool;
var n, item *html.Node;
var nodes map[int]*html.Node;
var i, j int;
found = false;
nodes = make(map[int]*html.Node);
for n = r.FirstChild; n != nil; n = n.NextSibling {
if n == rn {
found = true;
n.Parent.RemoveChild(n);
}
nodes[i] = n;
i++;
}
if !found {
for j = 0; j < i; j++ {
item = nodes[j];
RemoveNode(item, rn);
}
}
}
func RemoveTag(doc *goquery.Selection, tag string) {
doc.Find(tag).Each(func(i int, s *goquery.Selection) {
RemoveNode(doc.Get(0), s.Get(0));
});
}
func parseDoc(fd *os.File) (*document, error) {
var err error;
var text, t_text string;
var doc *goquery.Document;
var body, title *goquery.Selection;
var r_doc *document;
doc, err = goquery.NewDocumentFromReader(fd);
if err != nil {
log.Printf("goquery error: %s\n", err);
return nil, errors.New("Can't create goquery documnt");
}
//TODO test kennygrant/sanatize instead of goquery
body = doc.Find("body");
RemoveTag(body, "script");
RemoveTag(body, "noscript");
title = doc.Find("title");
//TODO add error detection
text, err = body.Html();
t_text, err = title.Html();
r_doc = newDocument();
r_doc.text = strings.Fields(sanitize.HTML(text));
r_doc.title = strings.Fields(sanitize.HTML(t_text));
if len(r_doc.text) == 1 {
log.Printf("not splittin!!!!!!!!!!!\n");
os.Exit(1);
}
return r_doc, nil;
}
func init() {
log.SetOutput(os.Stderr);
}
func main() {
// var words map[string]index
var p_dir string //, fname string;
var err error;
var i int;
var files []os.FileInfo;
var dir, fd *os.File;
var dir_info os.FileInfo;
var dir_mode os.FileMode;
var doc *document;
flag.StringVar(&p_dir, "d", "./pages", "pages directory");
flag.Parse();
dir, err = os.Open(p_dir);
if err != nil {
log.Printf("Error accessing \"%s\":\t%s\n", p_dir, err);
os.Exit(1);
}
dir_info, err = dir.Stat();
dir_mode = dir_info.Mode();
if !dir_mode.IsDir() {
log.Printf("\"%s\" is not a directory\n", p_dir);
os.Exit(1);
}
files, err = dir.Readdir(0);
if err != nil {
log.Printf("Error reading %s\n", p_dir);
os.Exit(1);
}
for i = 0; i < len(files) && i < 1; i++ {
fd, err = os.Open(fmt.Sprintf("%s/%s", dir_info.Name(), files[i].Name()));
if err != nil {
log.Printf("Error reading %s/%s\n", dir_info.Name(), files[i].Name());
} else {
doc, err = parseDoc(fd);
if err != nil {
log.Printf("Error parsing %s/%s\n", dir_info.Name(), files[i].Name());
} else {
fmt.Println(doc.text);
fmt.Println(doc.title);
}
}
}
}
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